Gruszynski, 33, is the political director for the Wisconsin League of Conservation Voters. He said he's running "to set a new course in Wisconsin that prioritizes our economy, rebuilds our local infrastructure, and supports our schools, while not giving billions of our tax dollars to foreign corporations.”

Like Genrich, Gruszynski will run for the office as a Democrat.

Gruszynski is completing his second two-year term representing part of Green Bay's east side on the County Board, where seats are nonpartisan. He is unopposed in a bid for re-election to that seat in the April 3 local elections but said he'd give up that seat if he is elected to the Assembly.

Gruszynski is a Green Bay native who holds a bachelor's degree in political science and public administation from the University of Wisconsin-Oshkosh. He and his wife, Colleen, live in Green Bay with their infant daughter, Margaret.